338 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Uran: Garfield: Canyon above Tropic, Jones 5312ae (U). Iron: Cedar City, Jones 
5204w (U). Kane: Siler (A). Millard: Detroit, Jones (M, U). Piute: Marys- 
vale, Jones 5338aa (U), 5388p (U), 5410h! (U). San Juan: Between Hatchs 
Wash and Monticello, Eastwood (M, U). Sevier: Salina Canyon, Jones 5419d 
(U). Washington: Beaverdam Mountains, Parry 152 (A, F, M, Y); Silver 
Reef (U). , 
6. Penstemon albidus Nutt. 
Penstemon albidus Nutt. Gen. Pl. 2: 53. 1818. ‘‘Hab. On the plains of the 
Missouri, common, from the confluence of the River Platte to the Mountains.’’ Type 
seen in herbarium of the Academy of Natural Sciences of Philadelphia. 
Chelone albida Spreng. Syst. Veg. 2: 813. 1825. 
Sandy to stony or clayey prairies and low hills, in the open, known from altitudes 
of 900 to 1,830 (2,100) meters; Upper Sonoran and Subboreal zones; flowering from 
mid-May to early July. High plains, west to the base of the foothills of eastern Colo- 
rado and Wyoming. Manitoba to Kansas, eastern Colorado, and Montana. 
Sours Daxora: Custer: Hermosa, Rydberg 920 (U). Fall River: Hot Springs, Ryd- 
berg 918 (U, Y). Meade: Fort Meade, Forwood 284 (U). Pennington: Over 
1843 (U). Stanley: Cedar Pass (U); Fort Pierre, Hayden (Y). Washabaugh: Bear 
Creek (U); Eagle Nest Butte, Over 2084 (U). 
Nepraska: Cherry: Fort Niobrara, Wilcox (Y). Deuel: Rydberg 278 (U). Hooker: 
Mullen, Rydberg 1316 (U). Keith: Ogallala, Pennell 6401 (H, M, Y). Lincoln: 
Hershey; North Platte, Pennell 6408 (Y). Sheridan: Hay Springs, MacDougal 
38 (Y). Thomas: Halsey (P); Thedford, Rydberg 1316 (U). 
Kansas: Ford: Dodge City, Ellis(U, Y). Gove: Hitchcock 377a(U, Y). Hamilton: 
Syracuse, Thompson 83 (U). Logan: Hitchcock 377 (U, Y). Meade: Meade, B. 
B. Smyth 137 (WU). Seward: Carleton 213 (U). 
Wyominc: Crook: Sundance, Nelson 2241(M). Goshen: Torrington, Nelson 8290 (M). 
Johnson: Buffalo, Lothian (R). Laramie: Cheyenne, Ball 1769 (U). Sheridan: 
Big Horn, Tweedy 2328 (Y). 
CoLoravo: Bent: Rule Creek; Las Animas, Osterhout 3917. Denver: Denver, Pen- 
nell 5844 (Y). Elbert: Bijou Basin, Jones 171 (B, F, Y). El Paso: Nob Hill, 
Pennell 5795 (Y). Kiowa: Eads, Baker, Earle & Tracy 813 (M, Y). Logan: 
Sterling, Osterhout 988 (Y). Prowers: 25 miles south of Lamar, Osterhout 5060. 
Sedgwick: Julesburg, Pennell 6398 (B, D, U, Y). Weld: Greeley, Johnston 
281 (M); Pawnee Buttes (B). 
7. Penstemon jonesii Pennell, sp. nov. 
Stems several, 40 to 80 cm. tall, finely pubescent throughout with reflexed hairs; 
lowest leaves narrowed to petiole-like bases, the longest 7 to 9 cm. long, spatulate- 
oblanceolate to obovate, more or less deeply emarginate; lower stem leaves similar, 
the upper ovate, rounded-clasping, the bases of each pair meeting, finely pubescent 
throughout; thyrsus narrow, of 10 to 20 fascicles, each of 2 short axillary branches, 
their pedicels longer than the peduncle; sepals 3 to 4 mm. long, broadly ovate, 
abruptly short-caudate, with evident erose scarious margin, glabrous; corolla 23 to 
25,mm. long, the tube gradually expanding into the cylindric throat, the two together 
18,to 19 mm. long, 5 to 6 mm. wide, slightly inflated, rounded, the lobes 5 to 6 mm. 
long, the 2 posterior ones united and arched for three-fifths their length, the 3 ante- 
rior ones united two-fifths their length, all the free portions projecting forward, 
glabrous without and within, blue (not seen fresh); anther sacs divaricate, 2 to 2.2 
mm. long, with short line of contact, each opening partially distally, the suture fimbri- 
1*fAt the top of the grade between Marysvale and Monroe,’’ probably in Sevier 
County. 
